Junseong Kim
Seoul,Korea, Republic Of Korea
Summary
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RockstarJunseong Kim is a founder and machine learning leader with 11 years of hands-on experience building and scaling AI products since age 18. As Co-Founder and CEO of BitterSweet, he focuses on helping creators 10x their global scale, drawing on deep technical roots from leading LLM pretraining, quantization, and inference optimization projects at ScatterLab. He has repeatedly driven cost and latency improvements (e.g., 3x faster GPT inference, 5x cost reduction on RoBERTa inference) and led end-to-end ML efforts from data collection to deployment on TPU/GPUs and cloud spot instances. Equally comfortable in strategy roles, he served as solo CEO staff driving growth, BD, IR, and hiring through hundreds of candidate coffeeshops. Based in Seoul, he blends startup grit with research rigor and a knack for turning large-scale conversational datasets into production-ready systems.
11 years of coding experience
Github Skills (81)
transformers10
language-model10
python10
deep-learning10
gpu10
gemma10
compression10
glm10
distributed-training10
multimodal10
audio10
ai10
transformer10
nlp10
data-parallelism10
Programming languages (6)
Github contributions (5)
codertimo/BERT-pytorch
Oct 2018 - Apr 2021
Google AI 2018 BERT pytorch implementation
Contributions:5 releases, 84 commits, 13 PRs in 2 years 6 months
aibertpytorchtransformernlp
kookmin-learn/kookmin-learn.github.io
Mar 2017 - Mar 2017
Contributions:44 commits, 21 PRs, 40 pushes in 17 days
react
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